sjharrison04
08.11.2019 •
Mathematics
5x+3< 7+7x
explain in clear details
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Ответ:
5x just means 5 times so, 5 times a number(or variable)plus three is less than 7 times a number variable)plus 7
Ответ:
2n - 18 = 3n + 15
2n - 3n = 15 + 18
-n = 33
n = -33